Severity: 8192
Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 132
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 290
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 164
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 233
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 313
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 354
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 284
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 296
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 306
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 316
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 317
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 318
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 319
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 377
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: drivers/Session_files_driver.php
Line Number: 108
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 110
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
Severity: Warning
Message: session_start(): Session cannot be started after headers have already been sent
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home2/amanaayg/public_html/lithiumionbattery.org/application/controllers/Activities.php
Line: 6
Function: __construct
File: /home2/amanaayg/public_html/lithiumionbattery.org/index.php
Line: 332
Function: require_once
A Battery Management System (BMS) is an electronic component of the battery and can be considered as the brain of the system that manages the charge and discharge processes of a pack. The primary job of a BMS is to protect the battery (by preventing operation of any cell outside its safe operating area).
